Near the guards at the bathrooms in the club, there's a lone dancer in the center of the dance floor, and a second girl near the bottom right side of the room. You can convince the right side girl to distract a guard fairly easily, but you'll need a charisma upgrade to convince the dancer. Either one will net the achievement.
Note that you can save your game, get this achievement, then reload to go for Tripped and Wasted.